# systemd-sysusers > Create system users and groups. > If the config file is not specified, files in the `sysusers.d` directories are used. > More information: . - Create users and groups from a specific configuration file: `systemd-sysusers {{path/to/file}}` - Process configuration files and print what would be done without actually doing anything: `systemd-sysusers --dry-run {{path/to/file}}` - Print the contents of all configuration files (before each file, its name is printed as a comment): `systemd-sysusers --cat-config`